Ultrasonic Testing of Gold and Silver Bars and Bullion
Ultrasound technology conclusively tests Gold Bars and Silver Bullion
Ultrasonic testing enables non-destructive verification of gold and silver bars while detecting fake tungsten inserts. The sound velocity of precious metals is a unique physical property determined by elasticity and density. With pre-set velocities of ultrasound for gold or silver, the test measures the distance sound waves travel through bullion. To ensure aunthenticity, the result is compared to the actual thickness of the bullion.
GT-Ultra
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Testing a real gold bar
Testing a fake silver bar
The videos show how ultrasonic velocities are measured in gold and silver bars to identify counterfeits. While gold and tungsten have similar densities, their differing elasticity results in distinct sound velocities. Likewise, silver and lead alloys share similar densities but differ in elasticity. By comparing the measured distance ultrasound travels with the known thickness of the bullion bars, the authenticity of precious metals are verified.
Ultrasonics is an advanced technology providing a simple solution to a complex problem. I think it would be impossible to put an insert into a gold bar that you couldn’t detect with ultrasonics.
Gold bullion bars have been fraudulently adulterated through the insertion of slugs of inexpensive base metal of similar density. These insertions are difficult or impossible to detect through weighing, radiography, or X-ray fluorescence, so some precious metals processors have resorted to drilling or cutting bars to verify integrity. However a simple ultrasonic test can quickly and reliably locate inserts with no need to drill, cut, or otherwise alter the bar.
According to our research Chinese counterfeiters are flooding the US, and Europe with very high quality fake US silver dollars, gold coins, gold bars – you name it. We would call this a disaster for the investor, and our big fear is there are probably tens of thousands of investors in the United States, who have been duped.
Bullion fraud is a global problem. The precious metals investment sector is an easy target for sophisticated industrial scale counterfeiters, criminal organizations and scammers. Low cost tungsten is nearly the same density as gold. Lead, tin and other base metals can be alloyed to duplicate the density of silver. Traditional non-destructive silver and gold test methods by density and X-ray spectrometry are incapable of detecting fake bullion and bars with thick gold or silver plating. Ultrasound is the only affordable and conclusive non-destructive method to test gold bars and silver bullion in your home.
Safeguard your investments in gold and silver by purchasing bullion products and verify them with ultrasonic testing.
